PayPal is doubling down on efforts to bring the mobile payment platform to brick-and-mortar stores and restaurants, offering new pay-from-your-smartphone services that threaten to make the physical wallet obsolete.

The White House Monday backed a Senate bill to force online retailers like Amazon and eBay to collect state and local sales taxes, hoping to end a cost disadvantage hampering bricks and mortar businesses.

A Michigan State University criminologist dug into the seamy underbelly of online credit card theft and uncovered a surprisingly sophisticated network of crooks that is unique in the cybercrime domain.

EBay grew its earnings and revenue in the first quarter thanks to growth in its PayPal business and its e-commerce sites. But revenue fell shy of Wall Street's expectations, causing investors to send the company's stock lower ...

Apple's ring-shaped, gleaming "Spaceship Headquarters" will include a world class auditorium and an orchard for engineers to wander. Google's new Bay View campus will feature walkways angled to force accidental ...

Hewlett-Packard Co.'s annual meeting will give shareholders an opportunity to vent their frustration over the personal computer maker's botched acquisitions and other follies that have been plaguing the Silicon Valley pioneer ...

EBay Inc. CEO John Donahoe's compensation nearly doubled to $29.7 million in 2012, a year that saw the e-commerce company's stock gain 68 percent thanks to growth in its namesake marketplaces business and PayPal.